[INFO] cloning repository https://github.com/milyin/sexpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milyin/sexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9768367f60c3b3803dd1a6df31649a5e6992a111
[INFO] checking milyin/sexpr against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milyin/sexpr on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/milyin/sexpr
[INFO] finished tweaking git repo https://github.com/milyin/sexpr
[INFO] tweaked toml for git repo https://github.com/milyin/sexpr written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/milyin/sexpr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 639a0492388fd321d630ba7fa1e522432598b7b2f9d70a00441bfd732cc0fb7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "639a0492388fd321d630ba7fa1e522432598b7b2f9d70a00441bfd732cc0fb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639a0492388fd321d630ba7fa1e522432598b7b2f9d70a00441bfd732cc0fb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639a0492388fd321d630ba7fa1e522432598b7b2f9d70a00441bfd732cc0fb7e", kill_on_drop: false }`
[INFO] [stdout] 639a0492388fd321d630ba7fa1e522432598b7b2f9d70a00441bfd732cc0fb7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01671d1f0bbd93aeb2f1a23f11891628f43499e077103dab91b6458e325c80fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01671d1f0bbd93aeb2f1a23f11891628f43499e077103dab91b6458e325c80fc", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]     Checking sexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/main.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                      ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `rest`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest @ ..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/main.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                      ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `rest`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest @ ..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sexpr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "01671d1f0bbd93aeb2f1a23f11891628f43499e077103dab91b6458e325c80fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01671d1f0bbd93aeb2f1a23f11891628f43499e077103dab91b6458e325c80fc", kill_on_drop: false }`
[INFO] [stdout] 01671d1f0bbd93aeb2f1a23f11891628f43499e077103dab91b6458e325c80fc